package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /*动态条件查询*/
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /*
    * 根据id修改商品数量*/
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    @Insert("insert into shopping_cart(name,user_id,dish_id,setmeal_id,dish_flavor,number,amount,image,create_time)" +
            "values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /*根据微信用户id删除购物车*/
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /*动态删除一条购物车数据*/
    void delete(ShoppingCart shoppingCart);

    // 将购物车对象批量添加到数据库
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time)" +
            "values(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void insertBatch(ShoppingCart shoppingCart);
}
